Brother HL-5450DNT - Manual (Page 156)

150
Troubleshooting
6
Settings Reset
6
This operation will reset all the machine settings back to the settings that were set at the factory:
a Disconnect the network cable from the machine; otherwise the network settings (such as IP address) will
not be reset.
b Turn off the machine.
c Make sure that the front cover is closed and the power cord is plugged in.
d Hold down Go as you turn on the power switch. Keep Go pressed down until all the LEDs light up and
then the Ready LED turns off.
e Release Go. Make sure that all the LEDs turn off.
f
Press Go ten times. The machine will automatically restart.